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fnamsfbk.kcg

1430336335

ConFirmed APP nLn

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The file fnamsfbk.kcg by ConFirmed APP nLn has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the OutBrowse Revenyou installer. It is also typically executed from the user's temporary directory.
Publisher:
ConFirmed APP nLn  (signed and verified)

Product:
1430336335

Version:
1.15429.123.0

MD5:
b88c2a5054a3ea9c4019f0410bc77829

SHA-1:
95c60b5382da9efb6b01d86ad851fdcd698e66ff

SHA-256:
ce1b02f8b2058adeb14c00f3babb6fc307594adf3f05f516f5331b327dd70abe

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
12/29/2024 12:15:09 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.11.30.4

File size:
558.9 KB (572,360 bytes)

Product version:
1.15429.123.0

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\fnamsfbk.kcg

Digital Signature
Signed by:
ConFirmed APP nLn

Authority:
thawte, Inc.

Valid from:
4/26/2015 2:00:00 AM

Valid to:
1/28/2016 12:59:59 AM

Subject:
CN=ConFirmed APP nLn, O=ConFirmed APP nLn, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
7BB34E8D807F81A9B2E2E8C2064042AA

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:yG09LCfJf4zcISBd/O5cI7t0kiAmMfr8KuHVljcn:yuJg1wc/OvAmMT8KuHVO

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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